Writing instrument
United States Patent 2782764
US Patent References:
/0564178.html
- - 0564178

/0843767.html
- - 0843767


Inventors:
Lehman Jr., Charles F.
Publication Date:
02/26/1957
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Assignee:
Allen, Bronston
Primary Class:
15/443
International Classes:
B43K3/00
Foreign References:
FR337680A